Cary Krosinsky

Cary Krosinsky teaches sustainable finance at universities such as Brown and Yale. At Brown, his teaching helps support the Brown University Sustainable Investment Fund within the Endowment. He is a leading author and editor of books and papers on sustainable investing, including his recent third book, "Sustainable Investing: Revolutions in Theory and Practice." He is also co-founder and director of the Carbon Tracker Initiative and Real Impact Tracker.

As we enter a where business-as-usual is no longer an option, are the world's largest investors taking sustainability issues into account? A look at their investment philosophies shows that some investors are getting ahead of the curve, while others are clearly stuck in the past.

For companies to succeed during these times of change, they'll need to define and embrace a rigorous framework for sustainability -- something that goes beyond well-intended but overarching statements and builds a foundation that helps a firm achieve its sustainability and business goals.